Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Nomeie os playoffs para a segunda rodada da copa aberta.
 ###Tabelas: CREATE TABLE singles_performances_18–10 (singles_performances_18–10_id AUTO_INCREMENT PRIMARY KEY, Edition VARCHAR, Round VARCHAR, Date VARCHAR, Against VARCHAR, Surface VARCHAR, Opponent VARCHAR, Result VARCHAR, Outcome VARCHAR) CREATE TABLE composition_of_the_6th_seanad (composition_of_the_6th_seanad_id AUTO_INCREMENT PRIMARY KEY, Administrative Panel INT, Agricultural Panel INT, Cultural and Educational Panel INT, Industrial and Commercial Panel INT, Labour Panel INT, National University of Ireland INT, University of Dublin INT, Nominated by the Taoiseach INT, Total INT) CREATE TABLE territorial_and_overseas_regions_recordholders (territorial_and_overseas_regions_recordholders_id AUTO_INCREMENT PRIMARY KEY, Country VARCHAR, Territory VARCHAR, Name VARCHAR, Birth date VARCHAR, Death date VARCHAR) CREATE TABLE churches (churches_id AUTO_INCREMENT PRIMARY KEY, Parish ( Prestegjeld ) VARCHAR, Sub-Parish (Sokn) VARCHAR, Church Name VARCHAR, Year Built INT, Location of the Church VARCHAR) CREATE TABLE year_by_year (year_by_year_id AUTO_INCREMENT PRIMARY KEY, Year INT, Division INT, League VARCHAR, Regular Season VARCHAR, Playoffs VARCHAR, Open Cup VARCHAR, Avg. Attendance INT)  
SELECT Playoffs FROM year_by_year WHERE Open Cup = 2nd Round